The S&P 500 and Nasdaq indexes closed higher on Monday as semiconductor stocks rebounded following a sharp sell-off [1, 2, 3].

This recovery indicates a shift in investor sentiment toward artificial intelligence demand and a decreased appetite for risk following recent geopolitical instability. The rebound suggests that market participants viewed the previous price drops as an opportunity to enter positions at a discount.

Investors targeted bargain opportunities after a significant sell-off occurred on Friday [1, 4]. The rally was led by semiconductor companies, which have remained central to the growth of AI technology [1, 2, 3]. This specific sector's recovery drove the broader gains seen across the tech-heavy Nasdaq and the S&P 500 [3, 5].

Market gains were also supported by a reduction in geopolitical risk. Tensions in the Middle East eased as Iran halted attacks against Israel [2, 4]. This development provided a more stable backdrop for traders, allowing them to move away from defensive assets and back into growth stocks [2, 4].

Data regarding the magnitude of the recovery varied across reporting agencies. Some reports indicated the S&P 500 rose nearly 1% [5], while other data suggested a gain of approximately 0.8% [1]. Despite the slight discrepancy in percentage, the upward trend remained consistent across the major U.S. benchmarks [1, 3].

Trading activity on the New York Stock Exchange and Nasdaq reflected a broader effort to recoup losses from the previous week [1, 2]. The combination of easing international conflict and a renewed focus on AI demand helped stabilize the market during the Monday session [1, 4].

S&P 500 and Nasdaq indexes closed higher on Monday as semiconductor stocks rebounded

The market's reaction demonstrates the high sensitivity of the current U.S. economy to two primary levers: the perceived value of AI-related hardware and the stability of the Middle East. By rebounding quickly after a sell-off, the chip sector confirms that investors still view AI as a long-term growth engine, while the immediate response to the cessation of Iranian attacks highlights how geopolitical volatility continues to dictate short-term trading volatility.